Description: Bell helicopter, model G-2, used for hemlock looper spraying in southwest Washington. Tanks are being filled with Thuricide 90-T mixture for application to 325 acre area on Long Island at rate of one gallon of Thuricide plus one gallon of water per acre. Willapa Game Refuge, Naselle, Washington. Photo by: Wally C. Guy Date: July 19, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon Image: PS-2807 For more information about this field test see:
archive.org/details/CAT92272778 Carolin, V.M. and C.G. Thompson. 1967. Field testing Bacillus thuringiensis for control of western hemlock looper. Research Paper PNW-38. Portland, OR: USDA Forest Service, Pacific Northwest Forest and Range Experiment Station. 26 p. For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:
wfiwc.org/content/history-and-resources Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth Public domainPublic domainfalsefalse. : This image or file is a work of a
United States Department of Agriculture employee, taken or made as part of that person's official duties. As a
work of the
U.S. federal government, the image is in the
public domain.
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+/− :. Date: 19 July 1963, 11:11. Source:
1963. Bell G-2 helicopter being loaded with Thuricide 90-T for application to a 325 acre area on Long Island. Willapa Game Rufuge, Naselle, WA.. Author:
R6, State & Private Forestry, Forest Health Protection.
